Re: About Reading Derby Log (urgent)

2006-05-02 Thread David W. Van Couvering
Hi, Bonnie. I don't know the log internals, but I just wanted to raise the caveat that that the APIs you are looking at are non-public, as you noticed, and there liable to change at any release without notice. I just wanted to make sure you were aware of that. David Bonnie Wang wrote: Hi,

Apache Derby in the browser - on ZDNet

2006-05-01 Thread David W. Van Couvering
Great (if poorly spell-checked) article by David Berlind about the potential for Derby to enable offline web applications. See http://blogs.zdnet.com/BTL/?p=2298 If you think this is cool (and of course you do :)), you can help make it more visible by digging it at

Future of Derby (was Re: Can derby instances be clustered ?)

2006-04-26 Thread David W. Van Couvering
I think this is a great question, Michael. Derby clearly differentiates today in its nature as lightweight, embeddable, easy to use and secure, while still being fully functional. But I think we're going to see more and more big users wanting big features from it. Do we Just Say No? Is

ASF Summer of Code effort officially on

2006-04-18 Thread David W. Van Couvering
Hi, all. The Google Summmer Of Code activity for Apache Software Foundation has been officially announced (see the attached email to the DB PMC). It appears that a mentor must be a committer. However, anyone can submit ideas, and they are most welcome. We have two weeks to get our

Apache Derby invited to participate in Google Summer of Code

2006-04-14 Thread David W. Van Couvering
Great news! We have been invited to participate in the Google Summer of Code. I am signing up as the overall community representative and will work to get this set up with Google. Barring any unforeseen glitches in this process, I think we should be good to go. In the meantime, we should

[Fwd: Re: Invitation to Participate in Summer of Code 2006]

2006-04-14 Thread David W. Van Couvering
mentors to the group periodically once they sign up with your organization. Cheers, LH David W. Van Couvering wrote: Hi, Leslie. Thank you very much for your invitation, and Apache Derby would like to participate. I am not sure what you need for Google account information, but I created an account

Re: [Fwd: Re: Invitation to Participate in Summer of Code 2006]

2006-04-14 Thread David W. Van Couvering
, anything else you want to add? David Jean T. Anderson wrote: David W. Van Couvering wrote: FYI, we're officially in! See http://www.google.com/soc I think that url is supposed to be ... http://code.google.com/soc/ Apache Derby isn't showing up under the ASF -- was that intentional? -jean snip

[Fwd: Re: [Fwd: Re: Invitation to Participate in Summer of Code 2006]]

2006-04-14 Thread David W. Van Couvering
and nobody else from ASF. So I'll work on this. Jean, Andrew, anything else you want to add? David Jean T. Anderson wrote: David W. Van Couvering wrote: FYI, we're officially in! See http://www.google.com/soc I think that url is supposed to be ... http://code.google.com/soc/ Apache

Re: PreparedStatement Persistance

2006-04-05 Thread David W. Van Couvering
My understanding is that the Derby prepared statement cache is portable across connections. It is usable by any connection to the same database -- the prepared statement text is compared with existing cached statements and if it alreday exists then it is reused. But it's not my area of

Re: SQL Editor for Derby

2006-04-05 Thread David W. Van Couvering
I haven't used it, but I hear SQuirreL is a good tool that works with Derby. dan wrote: Hi: I'm grateful for tips about a good SQL editor suitable for Derby. Today you (Susan Cline Anil Samuel et consortes) have helped to get Derby going in my Fedora Core 4 environment. Thank you! A good

Java DB now available

2006-03-31 Thread David W. Van Couvering
Good news for Apache Derby - another Big Company has gotten behind Derby and is providing support for it. Sun's Java DB is now officially available for download at http://www.sun.com/download/products.xml?id=44244f49 Java DB's home can be found at

Re: Java DB now available

2006-03-31 Thread David W. Van Couvering
, then what are those enhancement / new features. Thanks David W. Van Couvering wrote: Good news for Apache Derby - another Big Company has gotten behind Derby and is providing support for it. Sun's Java DB is now officially available for download at http://www.sun.com/download

Re: advice for client/server application

2006-03-23 Thread David W. Van Couvering
would be to remove my custom protocol whenever possible. Is it feasible to extend the JDBC API? Or will that just be more trouble than it's worth? I realize I just changed my question. Any more advice? ry On Wednesday 22 March 2006 07:23 pm, David W. Van Couvering wrote: A common way client

Re: advice for client/server application

2006-03-23 Thread David W. Van Couvering
I do have to ask, what does it mean to emulate an ostrich? David Ryan P Bobko wrote: Thanks for the advice. That's probably what I needed to hear. ry On Thursday 23 March 2006 06:31 pm, David W. Van Couvering wrote: Yes, I see what you're saying, you're rewriting JDBC extended with file

Re: Running 2 Derby instances on 1 JVM, do system properties cut it??

2006-03-22 Thread David W. Van Couvering
Hi, Hiram. You have hit on an issue that prevents multiple databases from being run within the same VM. This is something we want to fix in Derby, but it's a fairly big effort. As it stands the only way to configure the Derby database home is with system properties. So all uses of Derby

Re: advice for client/server application

2006-03-22 Thread David W. Van Couvering
A common way client applications working with large result sets have handled the too much memory problem that I've seen is to send the results over in chunks. Instead of sending all 120,000 records in one response, just send 100 or 1,000. The client processes those 1,000 records, throws them

Re: derby for dummies ???

2006-03-09 Thread David W. Van Couvering
Have you looked at SQuirreL? This is a third-party open source GUI that works quite well with Derby. See http://squirrel-sql.sourceforge.net/ David yeradis wrote: hi Stanley thanks for your words and thanks to everybody that is helping me to migrate to the ''derby world'' really THANKS TO

Re: [WWD] Chap 1 and 2 (v 1.1) submitted for review

2006-03-09 Thread David W. Van Couvering
Thanks for your work on this, Stanley. Here are some comments, probably more to follow: INTRODUCTION - It would be nice to tell the user what each activity is and what they can expect to be able to do and what they will learn as a result of each activity. - Somehow this section isn't very

Re: How can I get sysinfo for a custom Derby classloader?

2006-02-23 Thread David W. Van Couvering
The work that I did on classloaders (but have not yet committed) could help with this. If somebody has an itch to work on this I can show them what I did and why I think it will work. David Kathey Marsden wrote: Andrew McIntyre wrote: On 2/22/06, Kathey Marsden [EMAIL PROTECTED] wrote:

Re: embedded derby -- does it leak

2006-02-15 Thread David W. Van Couvering
We do a *lot* of testing, including long-running tests and large database size tests. We're trying to add more and more tests, robustness and compatibility are key goals for many of us on this team. If you really need a production-level support, you should probably go through Sun (Java DB)

Re: embedded derby -- does it leak

2006-02-15 Thread David W. Van Couvering
] wrote: -Original Message- From: David W. Van Couvering [mailto:[EMAIL PROTECTED] Sent: Wednesday, February 15, 2006 10:54 AM To: Derby Discussion Subject: Re: embedded derby -- does it leak We do a *lot* of testing, including long-running tests and large database size tests. We're trying

Re: [Db-derby Wiki] Update of FrontPage by Roger Dudler

2006-02-02 Thread David W. Van Couvering
Thanks, Roger. I'm confused, it still has the Pure Java Database tagline (not that I don't mind, but we recently had a vote to remove the tagline). Are you planning to do that? Thanks, David Apache Wiki wrote: Dear Wiki user, You have subscribed to a wiki page or wiki category on

Re: AW: Derby Logo -- the final decision regarding the tagline

2006-02-02 Thread David W. Van Couvering
+1, looks great, thanks Roger!! David Daniel John Debrunner wrote: Jean T. Anderson wrote: http://wiki.apache.org/db-derby/DerbyGraphicsAndLogo this is looking great! +1 I agree, thanks very much Roger. If anyone is seeing the logo still with the tagline, just force a re-load

Re: Derby Workbench

2006-02-02 Thread David W. Van Couvering
especially for derby? Should we use the Cloudscape Workbench or is there an interest on having an individual gui for derby? David W. Van Couvering wrote: +1, looks great, thanks Roger!! David Daniel John Debrunner wrote: Jean T. Anderson wrote: http://wiki.apache.org/db-derby

Re: Developing a UI for Derby

2006-01-27 Thread David W. Van Couvering
Well, one must argue that a plugin for NetBeans would have similar appeal (disclosure: I work for Sun Microsystems). David Raj Saini wrote: On 1/27/06, *duminda* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Hi, What does the community most wanted, Eclipse or Stand

Re: DB Tables on separate hardisks

2006-01-26 Thread David W. Van Couvering
My understanding is this is not possible right now with Derby. David Melvin Zamora wrote: Hi Derbies, Would it be possible to have the PK tables on hardisk-A and FK tables on hardisk-B using only one database? to envision: CUSTOMER_DERBY_DB CUSTOMER_TBL {PK} [HD-A],

Removing Derby tagline

2006-01-25 Thread David W. Van Couvering
We are trying to finalize the work on the Derby logo and getting this posted to the web site and other places. The one issue still open is the tagline. We all voted +1 for the images that had the tagline Pure Java Database. It's likely that Sun has no issues with using the tagline, but it's

So you wanna write some database code

2005-12-14 Thread David W. Van Couvering
Down at ApacheCon at our BoF we had a good discussion about what might help people who want to contribute to Derby but feel they don't have the database internals background needed. It was generally recognized that there is a pretty hefty learning curve to be able to work on some of the core

Re: Why are classpath databases always read-only ?

2005-12-12 Thread David W. Van Couvering
I'm not sure how this email thread went off the deep end from a technical discussion to a personal discussion. I think it's reasonable for one person to feel that a particular coding paradigm is ugly or not, (I did notice Tom say IMHO when he talked about dynamically creating the URL). I

[RESULT] [VOTE] Apache Derby logo

2005-12-07 Thread David W. Van Couvering
W. Van Couvering wrote: This is a vote for choosing a logo for Apache Derby. Rules of engagement: - Please vote for one and only one logo. - Respond to both derby-dev and derby-all and put an X to the logo of your choice - Please vote only once. Multiple votes by the same person

Re: [VOTE] Apache Derby logo

2005-12-04 Thread David W. Van Couvering
10. [X ] (these all belong together...) begin:vcard fn:David W Van Couvering n:Van Couvering;David W org:Sun Microsystems, Inc.;Database Technology Group email;internet:[EMAIL PROTECTED] title:Senior Staff Software Engineer tel;work:510-550-6819 tel;cell:510-684-7281 x-mozilla-html:TRUE

Testing

2005-12-02 Thread David W. Van Couvering
It's very odd, I sent out a call for a vote for the logo, but it has not shown up on my inbox. I'm testing to see if this email works. Did anybody else get the call for vote? David begin:vcard fn:David W Van Couvering n:Van Couvering;David W org:Sun Microsystems, Inc.;Database Technology

Re: Logo Showcase

2005-11-30 Thread David W. Van Couvering
Very nice! I would suggest you go ahead and attach this image as well, with a clear indication that this goes along with your original submission... David Roger Dudler wrote: Hi guys, I would like to give you an experience about my logo proposal, so I created a little image with some

Re: Logo Showcase

2005-11-30 Thread David W. Van Couvering
What's a favicon? David Samer Kanjo wrote: Very nice! I like the icons, one could be used as a favicon. I also like the large hat in light grey, which could be used to background the derby web pages or just the home page perhaps even as a watermark on derby docs. My favorite color is blue so

Re: Submitted new logos

2005-11-29 Thread David W. Van Couvering
Sorry for perhaps an oblique reference -- the hat is a Derby Hat, it is the name for this type of hat. It used to be worn all the time in the Victorian era http://www.millerhats.com/hatcare_index/derbycare.html (note the feather!)

Re: Questions about Derby logo contest

2005-11-29 Thread David W. Van Couvering
Jeffrey Lichtman wrote: There was an aborted logo contest earlier this year. What happened to the entries? Should they be submitted to the current contest? See http://www.nabble.com/Derby-Logo%2C-Take-Two-t2822.html#a9271 and http://db.apache.org/derby/logo_contest.html It looks like

Pending Derby logo vote

2005-11-28 Thread David W. Van Couvering
Hi, all. I'd like to call for a vote on the Derby logo this Friday. If any of you would like to submit a suggestion, please attach your image to http://issues.apache.org/jira/browse/DERBY-297 Thanks, David begin:vcard fn:David W Van Couvering n:Van Couvering;David W org:Sun Microsystems,

Re: Question about using URLClassLoader and Derby

2005-11-11 Thread David W. Van Couvering
); ds.getConnection(); ... ---BeginMessage--- David W. Van Couvering wrote On 11/09/05 10:51 PM,: Hi, guys. Is there any helpful information you can provide Kathey? You can respond to me or directly to [EMAIL PROTECTED] If you load one class with a classloader, will all other classes

Re: Question about using URLClassLoader and Derby

2005-11-09 Thread David W. Van Couvering
Hi, Kathey. At first glance it looks good to me. I'm assuming *all* classes your app needs are available to the from the URL you specify, because you are not specifying a parent classloader when you create it. Also, you'll need to make sure you give the class that runs this code the

Re: DevX article comparing open-source databases

2005-10-17 Thread David W. Van Couvering
Thanks for catching this Dan and proposing a way to address it. I'll take a look when I get a chance and see what I can add. Perhaps we can manage this via a Wiki page or a JIRA item? I think the checkmark for the ODBC driver should have a footnote saying that this is a binary download from

Security attacks moving to the web tier

2005-09-20 Thread David W. Van Couvering
FYI. I think it underscores that those of us building web-tier apps need to be very conscious of security during design, implementation and deployment. It's no longer core IT that is threatened. http://www.geekzone.co.nz/content.asp?contentid=5222 begin:vcard fn:David W Van Couvering n:Van

Re: Unit tests with Derby DB

2005-09-14 Thread David W. Van Couvering
One way to get rid of the cruft hanging around might be, at the start of each test, create a new classloader and associate it with the thread that's creating all your other threads in your test, using Thread.setContextClassLoader(). I haven't used classloaders a lot and am a bit confused by

Re: Unit tests with Derby DB

2005-09-14 Thread David W. Van Couvering
That's nice, I didn't know about jdbc:derby:;shutdown=true. David Daniel John Debrunner wrote: Lars Clausen wrote: Hi! I'm trying to do unit tests of a multi-threaded system with Derby fairly deep underneath. I would like my DB to be in the same state at the start of every test. I'm